Finding the Fourth Proportional to 1,213,999.04, 1,675,318.99 and 670,135.20
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Solution
The fourth proportional to 1,213,999.04, 1,675,318.99 and 670,135.20 is: 924,786.74
Step by Step Solution
- Step 1: Write the proportion equation
1,213,999.04 : 1,675,318.99 = 670,135.20 : x - Step 2: Convert to fraction form
1,213,999.04/1,675,318.99 = 670,135.20/x - Step 3: Cross multiply
1,213,999.04x = 1,675,318.99 × 670,135.20 - Step 4: Simplify right side
1,213,999.04x = 1,122,690,218,050.85 - Step 5: Solve for x
x = 1,122,690,218,050.85/1,213,999.04 - Step 6: Final answer
x = 924,786.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.